From c412926270ebbbf3637a608a2864ea0b4fedd2be Mon Sep 17 00:00:00 2001
From: Maciej Wasilewski <mwasilewski@antmicro.com>
Date: Thu, 26 Oct 2023 14:18:11 +0200
Subject: [PATCH] [#50692] Fix isFirstUser check when multiple editors are
 opened

---
 src/components/CodeMirror.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/components/CodeMirror.js b/src/components/CodeMirror.js
index 439a507..c32d6c3 100644
--- a/src/components/CodeMirror.js
+++ b/src/components/CodeMirror.js
@@ -129,7 +129,12 @@ const CodeMirror = ({ text, setText, id, name, className, shown, syncText, setSy
   }, []);
 
   useEffect(() => {
-    const isFirstUser = collaboration.enabled && ytext.toString().length == 0 && provider.awareness.getStates().size == 1 && provider.firstUser && ready;
+    const mystEditorCount = document.querySelectorAll("#myst-css-namespace").length;
+    const isFirstUser = collaboration.enabled && 
+      ytext.toString().length == 0 && 
+      provider.awareness.getStates().size == mystEditorCount && 
+      provider.firstUser && 
+      ready;
 
     if (ytext && ytext.toString().length != 0) setText(ytext.toString());